About This File
The shoulder joint is a large and complex ball and socket joint formed by the humerus and the scapula (glenohumeral joint) while the clavicle join the acromion to form the acromioclavicular joint.
The rotator cuff: supraspinatus, infraspinatus, teres minor and subscapularis
Posterior muscle group: deltoid, latissimus dorsi and teres major
Anterior muscle group: pectoralis major and coracobrachialis